.container{
    display: flex;
    flex-wrap: nowrap;
    box-sizing: border-box;
    .navLeft{
        background-color:#001529;
        color: #ffffff;
        height: calc(100vh);
        min-width: 200px;
    }
    .main{
        flex:1;
        background-color: rgb(216, 212, 208);
    }
}